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Finding the Fourth Proportional to 176,538.20, 264,807.30 and 159,042.20

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Solution

The fourth proportional to 176,538.20, 264,807.30 and 159,042.20 is: 238,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,538.20 : 264,807.30 = 159,042.20 : x
  2. Step 2: Convert to fraction form
    176,538.20/264,807.30 = 159,042.20/x
  3. Step 3: Cross multiply
    176,538.20x = 264,807.30 × 159,042.20
  4. Step 4: Simplify right side
    176,538.20x = 42,115,535,568.06
  5. Step 5: Solve for x
    x = 42,115,535,568.06/176,538.20
  6. Step 6: Final answer
    x = 238,563.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.